Richard, Jan, I'm confused. Consider this symbol:
0000000000000000 W _ZN9__gnu_cxx8__detail9__find_ifIPSt4pairIPNS_16bitmap_allocatorIcE12_Alloc_blockES6_ENS0_12_Functor_RefINS0_12_Ffit_finderIS6_EEEEEET_SD_SD_T0_ version status: incompatible GLIBCXX_3.4 type: function status: added I went multiple times through the linker script and didn't find any pattern matching it! Can you? What can be possibly going on? Paolo.